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Sr. Cloud/devops Engineer Resume

Dallas, TX

Over 7 years of experience in creating the company's DevOps strategy in a mix environment of Linux (RHEL, CENTOS, Windows) servers along with creating and implementing a cloud strategy based on Amazon Web Services(AWS) and Microsoft Azure.

Experience in container-based technologies like Docker, Kubernetes, Apache Mesos and OpenShift along with the development of Microservices architecture using Spring Boot including distributed SSO Authentication and Authorization, Distributed Session Management with hibernate, JSON, or similar protocols.

Create Jenkins job to build the artifacts using maven, deploy the Terraform templates to create the stack and experience in Installing and configuring basic High Availability Web Platforms using Terraform .

Hands on experience on using Terraform along with packer to create custom machine images and automation tools like Chef/Ansible to install software’s after the infrastructure is provisioned.

Experience in Branching, Merging, Tagging, and maintaining the version across the environments using SCM tools like GIT, SVN, and similar tools.

Experience in Configuring and Managing monitoring tools such as Nagios, Splunk, ELK.

Worked on designing, building and deploying many applications utilizing almost the AWS Stack (EC2, VPC, and Route 53 service, IAM, Cloud Formation, Cloud Watch, ELB, SNS and EFS) with focus on high-availability, scalability and fault-tolerance.

Worked on AWS EC2 Instances creation, setting up VPC, launching EC2 instances different kind of private and public subnets based on the requirements for each of the applications.

Developed the Jenkins Architecture, with Master and Slave Systems and Maintained Artifacts in Repositories such as Nexus and Clear Case, Subversion and GIT.

Implementing infrastructure on new AWS systems and migration of existing Linux and Windows.

Used IAM to assign roles, to create and manage AWS users, groups, and permissions to use AWS resources.

Used Jenkins and Nexus to build code from Subversion and deploy to Testing and Developing environments.

Hands on setting up the Ansible control machine (RHEL7) and configured the remote host inventories via ssh.

Wrote several Playbooks and created various roles for applications using Ansible and deployed the Applications/Services on the client hosts.

Implemented Ansible playbook to create required tables on the RDS Instance and also initializing and configuring some of the settings for the instance using playbook.

Orchestrated and migrated CI/CD processes using Cloud Formation Templates and Dockerized the infrastructure, which was setup in Vagrant, AWS and VPCs.

Experience working on several Docker components like Docker Engine, Hub, Machine, Compose and Docker Registry.

Responsible for installation & configuration of Jenkins to support various Java builds and Jenkins plugins to automate continuous builds and publishing Docker Images to the Nexus Repository.

Used Jenkins and pipelines to drive all microservices builds using Maven/Gradle for Artifacts and Docker file Builds to Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes by building Production Grade Kube Clusters with KOPS .

Used Docker , Kubernetes and OpenShift to manage micro services for development of continuous integration and continuous delivery.

Monitored builds and deployments to ensure that failed builds or deployments are addressed in a timely manner using AppDynamics . Controlling administrative activities like user management, application management with AppDynamics and experience in network monitoring tool like CA Wily, Nagios.

Experience in Virtualization technologies like VMWare, Vagrant and worked with containerizing applications like Docker, Kubernetes.

Ensured, successful architecture and deployment of enterprise grade PaaS solutions using Private Cloud Foundry(PCF) as well as proper operation during initial Application migration and net new development.

Integrated chef cookbooks into Jenkins jobs for CD framework and created roles, environments using chef handlers for different auto kickoff requirement jobs.

Lead and provide technical assistance and/or training in using Jira and Confluence and other tools as identified. Worked with Querying RDBMS such as Oracle , MYSQL and SQL Server by using PL/SQL for data integrity.

Performed the automation deployments using AWS by creating the IAMs and used the code pipeline plugin to integrate Jenkins with AWS and created the EC2 instances to provide the virtual servers.

Written Manifests/Modules for Installation and Updating of Yum repositories on the Server using Puppet Infrastructure and to the automate configuration of a broad range of services like LAMP Stack, HTTP multiple Vhosts management.

Used Puppet for automation and scheduling automated jobs. Redesigned and redeployed the Nagios implementation.

Involved in using Packer, Terraform and Ansible, migrate legacy and monolithic systems to Amazon Web Services(AWS).

Wrote Chef Cookbooks for various DB configurations to modularize and optimize product configuration, converting production support scripts to Chef Recipes and AWS server provisioning using Chef Recipes.

Implemented a Continuous Delivery pipeline with Jenkins and GitHub.

Used Git for source code version control and integrated with Jenkins for CI/CD pipeline, code quality tracking and user management with build tools Maven and Ant and written Maven pom.xml build script.

Worked with the OpenShift Enterprise which allows developers to quickly develop, host and scale applications in a self-managed cloud environment.

Worked on NoSQL database MongoDB to replica setup and sharding. Also experienced in managing replica set. Installed, Configured, and Managed Monitoring Tools such as Nagios for Resource/Network Monitoring.

Developed self-service/automation tools leveraging Python ec2-boto, fabric and Jenkins which increased the efficiency of DevOps and development tasks.

Wrote Puppet models for installing and managing java versions and took the sole responsibility to maintain the CI Bamboo server

Developed automation scripting in Python (core) using Puppet to deploy and managed Java applications across Linux servers.

Written Manifests/Modules for Installation and Updating of Yum repositories on the Server using Puppet Infrastructure and to the automate configuration of a broad range of services like LAMP Stack, HTTP multiple Vhosts management.

Involved in creating Bamboo pipeline jobs for Puppet release process for module deployment, using the Agile methodology for puppet development.

Installed and administered repository to deploy the artifacts generated by ANT and to store the dependent jars, which were used during the build.

Used ANT as a build tool in java projects for the development of build artifacts on the source code. Involved in editing the existing ANT files in case of errors or changes in the project requirements.

Administered and Implemented CI tool Bamboo for automated builds migrated all projects from perforce to subversion

Configured and maintained Bamboo to implement the CI process and integrated the tool with ANT to schedule the builds.

Responsible for automated Scheduled Builds/Emergency Builds and Release using ANT scripts for an Enterprise application (J2EE).

Managed user authentication and authorization for the users in both Subversion & Perforce. Created branches, performed merges in version control systems SVN and Perforce.

Worked with different tools for monitoring the health checkups using Nagios, Searching and Reporting with Splunk.

Installed, upgraded and configured Linux Servers using Kickstart as well as manual installations and the recovery of a root password.

Kickstart both Virtual Server and bare-metal from CPAN, obtaining the specs files convert them to rpm format for installation on both RHEL and CentOS Servers.

Integrated ant with Shell scripts created in Bash to automate the deployments for the Java-based applications.

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